1. Department of Entomology and Nematology, Emerging Pathogens Institute, University of Florida, Gainesville, Florida 32610, U.S.A.
2. Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, U.S.A.
3. Molsoft LLC, 11199 Sorrento Valley Road, San Diego, California 92121, U.S.A.